Invention Grant

Pad-type plunger
Abstract:
A downhole tool, e.g., a plunger, and a method for manufacturing a plunger. The downhole tool includes a mandrel including a flow-restriction recess, and a plurality of sealing pads configured to be disposed around the mandrel, biased radially-outward therefrom, and interlocked with one another. Each of the plurality of sealing pads includes a flow-restriction tab having an axial thickness that varies as proceeding circumferentially around the mandrel. The flow-restriction tab of each of the plurality of sealing pads is configured to be disposed in the flow-restriction recess when the plurality of sealing pads are disposed on the mandrel.
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